1 | /* ----------------------------------------------------------------------- * |
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2 | * |
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3 | * Copyright 2008-2011 Gene Cumm - All Rights Reserved |
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4 | * |
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5 | * This program is free software; you can redistribute it and/or modify |
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6 | * it under the terms of the GNU General Public License as published by |
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7 | * the Free Software Foundation, Inc., 53 Temple Place Ste 330, |
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8 | * Boston MA 02111-1307, USA; either version 2 of the License, or |
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9 | * (at your option) any later version; incorporated herein by reference. |
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10 | * |
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11 | * ----------------------------------------------------------------------- */ |
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12 | |
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13 | /* |
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14 | * rosh.c |
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15 | * |
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16 | * Read-Only shell; Simple shell system designed for SYSLINUX-derivitives. |
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17 | * Provides minimal commands utilizing the console via stdout/stderr as the |
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18 | * sole output devices. Designed to compile for Linux for testing/debugging. |
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19 | */ |
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20 | |
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21 | /* |
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22 | * ToDos: |
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23 | * prompt: Allow left/right arrow, home/end and more? |
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24 | * commands Break into argv/argc-like array |
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25 | * rosh_cfg: allow -s <file> to change config |
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26 | * rosh_ls(): sorted; then multiple columns |
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27 | * prompt: Possibly honor timeout on initial entry for usage as UI |
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28 | * Also possibly honor totaltimeout |
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29 | */ |
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30 | |
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31 | /*#define DO_DEBUG 1 |
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32 | //*/ |
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33 | /* Uncomment the above line for debugging output; Comment to remove */ |
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34 | /*#define DO_DEBUG2 1 |
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35 | //*/ |
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36 | /* Uncomment the above line for super-debugging output; Must have regular |
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37 | * debugging enabled; Comment to remove. |
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38 | */ |
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39 | #include "rosh.h" |
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40 | #include "version.h" |
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41 | |
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42 | #define APP_LONGNAME "Read-Only Shell" |
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43 | #define APP_NAME "rosh" |
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44 | #define APP_AUTHOR "Gene Cumm" |
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45 | #define APP_YEAR "2010" |
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46 | #define APP_VER "beta-b090" |
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47 | |
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48 | /* Print version information to stdout |
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49 | */ |
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50 | void rosh_version(int vtype) |
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51 | { |
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52 | char env[256]; |
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53 | env[0] = 0; |
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54 | printf("%s v %s; (c) %s %s.\n\tFrom Syslinux %s, %s\n", APP_LONGNAME, APP_VER, APP_YEAR, APP_AUTHOR, VERSION_STR, DATE); |
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55 | switch (vtype) { |
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56 | case 1: |
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57 | rosh_get_env_ver(env, 256); |
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58 | printf("\tRunning on %s\n", env); |
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59 | } |
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60 | } |
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61 | |
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62 | /* Print beta message and if DO_DEBUG/DO_DEBUG2 are active |
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63 | */ |
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64 | void print_beta(void) |
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65 | { |
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66 | puts(rosh_beta_str); |
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67 | ROSH_DEBUG("DO_DEBUG active\n"); |
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68 | ROSH_DEBUG2("DO_DEBUG2 active\n"); |
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69 | } |
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70 | |
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71 | /* Search a string for first non-space (' ') character, starting at ipos |
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72 | * istr input string to parse |
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73 | * ipos input position to start at |
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74 | */ |
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75 | int rosh_search_nonsp(const char *istr, const int ipos) |
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76 | { |
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77 | int curpos; |
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78 | char c; |
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79 | |
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80 | curpos = ipos; |
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81 | c = istr[curpos]; |
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82 | while (c && isspace(c)) |
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83 | c = istr[++curpos]; |
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84 | return curpos; |
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85 | } |
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86 | |
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87 | /* Search a string for space (' '), returning the position of the next space |
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88 | * or the '\0' at end of string |
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89 | * istr input string to parse |
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90 | * ipos input position to start at |
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91 | */ |
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92 | int rosh_search_sp(const char *istr, const int ipos) |
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93 | { |
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94 | int curpos; |
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95 | char c; |
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96 | |
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97 | curpos = ipos; |
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98 | c = istr[curpos]; |
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99 | while (c && !(isspace(c))) |
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100 | c = istr[++curpos]; |
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101 | return curpos; |
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102 | } |
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103 | |
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104 | /* Parse a string for the first non-space string, returning the end position |
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105 | * from src |
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106 | * dest string to contain the first non-space string |
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107 | * src string to parse |
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108 | * ipos Position to start in src |
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109 | */ |
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110 | int rosh_parse_sp_1(char *dest, const char *src, const int ipos) |
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111 | { |
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112 | int bpos, epos; /* beginning and ending position of source string |
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113 | to copy to destination string */ |
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114 | |
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115 | bpos = 0; |
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116 | epos = 0; |
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117 | /* //HERE-error condition checking */ |
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118 | bpos = rosh_search_nonsp(src, ipos); |
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119 | epos = rosh_search_sp(src, bpos); |
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120 | if (epos > bpos) { |
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121 | memcpy(dest, src + bpos, epos - bpos); |
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122 | if (dest[epos - bpos] != 0) |
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123 | dest[epos - bpos] = 0; |
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124 | } else { |
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125 | epos = strlen(src); |
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126 | dest[0] = 0; |
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127 | } |
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128 | return epos; |
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129 | } |
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130 | |
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131 | /* |
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132 | * parse_args1: Try 1 at parsing a string to an argc/argv pair. use free_args1 to free memory malloc'd |
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133 | * |
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134 | * Derived from com32/lib/sys/argv.c:__parse_argv() |
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135 | * Copyright 2004-2009 H. Peter Anvin - All Rights Reserved |
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136 | * Copyright 2009 Intel Corporation; author: H. Peter Anvin |
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137 | */ |
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138 | int parse_args1(char ***iargv, const char *istr) |
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139 | { |
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140 | int argc = 0; |
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141 | const char *p; |
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142 | char *q, *r, *args, **arg; |
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143 | int sp = 1; //, qt = 0; /* Was a space; inside a quote */ |
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144 | |
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145 | /* Scan 1: Length */ |
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146 | /* I could eliminate this if I knew a max length, like strncpy() */ |
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147 | int len = strlen(istr); |
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148 | |
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149 | /* Scan 2: Copy, nullify and make argc */ |
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150 | if (!(args = malloc(len + 1))) |
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151 | goto fail_args; |
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152 | q = args; |
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153 | for (p = istr;; p++) { |
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154 | if (*p <= ' ') { |
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155 | if (!sp) { |
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156 | sp = 1; |
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157 | *q++ = '\0'; |
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158 | } |
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159 | } else { |
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160 | if (sp) { |
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161 | argc++; |
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162 | sp = 0; |
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163 | } |
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164 | *q++ = *p; |
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165 | } |
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166 | if (!*p) |
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167 | break; |
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168 | } |
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169 | |
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170 | q--; /* Point q to final null */ |
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171 | /* Scan 3: Build array of pointers */ |
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172 | if (!(*iargv = malloc((argc + 1) * sizeof(char *)))) |
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173 | goto fail_args_ptr; |
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174 | arg = *iargv; |
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175 | arg[argc] = NULL; /* Nullify the last pointer */ |
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176 | if (*args != '\0') |
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177 | *arg++ = args; |
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178 | for (r = args; r < q ; r++) { |
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179 | if (*r == '\0') { |
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180 | *arg++ = r + 1; |
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181 | } |
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182 | } |
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183 | |
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184 | fail_args: |
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185 | return argc; |
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186 | fail_args_ptr: |
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187 | free(args); |
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188 | return 0; |
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189 | } |
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190 | |
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191 | /* Free argv created by parse_args1() |
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192 | * argv Argument Values |
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193 | */ |
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194 | void free_args1(char ***argv) |
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195 | { |
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196 | char *s; |
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197 | s = **argv; |
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198 | free(*argv); |
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199 | free(s); |
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200 | } |
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201 | |
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202 | /* Convert a string to an argc/argv pair |
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203 | * str String to parse |
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204 | * argv Argument Values |
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205 | * returns Argument Count |
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206 | */ |
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207 | int rosh_str2argv(char ***argv, const char *str) |
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208 | { |
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209 | return parse_args1(argv, str); |
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210 | } |
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211 | |
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212 | /* Free an argv created by rosh_str2argv() |
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213 | * argv Argument Values to free |
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214 | */ |
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215 | void rosh_free_argv(char ***argv) |
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216 | { |
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217 | free_args1(argv); |
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218 | } |
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219 | |
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220 | /* Print the contents of an argc/argv pair |
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221 | * argc Argument Count |
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222 | * argv Argument Values |
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223 | */ |
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224 | void rosh_pr_argv(int argc, char *argv[]) |
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225 | { |
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226 | int i; |
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227 | for (i = 0; i < argc; i++) { |
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228 | printf("%s%s", argv[i], (i < argc)? " " : ""); |
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229 | } |
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230 | puts(""); |
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231 | } |
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232 | |
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233 | /* Print the contents of an argc/argv pair verbosely |
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234 | * argc Argument Count |
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235 | * argv Argument Values |
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236 | */ |
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237 | void rosh_pr_argv_v(int argc, char *argv[]) |
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238 | { |
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239 | int i; |
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240 | for (i = 0; i < argc; i++) { |
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241 | printf("%4d '%s'\n", i, argv[i]); |
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242 | } |
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243 | } |
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244 | |
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245 | /* Reset the getopt() environment |
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246 | */ |
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247 | void rosh_getopt_reset(void) |
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248 | { |
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249 | optind = 0; |
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250 | optopt = 0; |
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251 | } |
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252 | |
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253 | /* Display help |
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254 | * type Help type |
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255 | * cmdstr Command for which help is requested |
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256 | */ |
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257 | void rosh_help(int type, const char *cmdstr) |
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258 | { |
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259 | switch (type) { |
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260 | case 2: |
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261 | if ((cmdstr == NULL) || (strcmp(cmdstr, "") == 0)) { |
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262 | rosh_version(0); |
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263 | puts(rosh_help_str2); |
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264 | } else { |
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265 | switch (cmdstr[0]) { |
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266 | case 'c': |
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267 | puts(rosh_help_cd_str); |
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268 | break; |
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269 | case 'l': |
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270 | puts(rosh_help_ls_str); |
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271 | break; |
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272 | default: |
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273 | printf(rosh_help_str_adv, cmdstr); |
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274 | } |
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275 | } |
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276 | break; |
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277 | case 1: |
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278 | default: |
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279 | if (cmdstr) |
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280 | printf("%s: %s: unknown command\n", APP_NAME, cmdstr); |
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281 | rosh_version(0); |
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282 | puts(rosh_help_str1); |
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283 | } |
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284 | } |
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285 | |
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286 | /* Handle most/all errors |
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287 | * ierrno Input Error number |
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288 | * cmdstr Command being executed to cause error |
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289 | * filestr File/parameter causing error |
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290 | */ |
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291 | void rosh_error(const int ierrno, const char *cmdstr, const char *filestr) |
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292 | { |
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293 | printf("--ERROR: %s '%s': ", cmdstr, filestr); |
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294 | switch (ierrno) { |
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295 | case 0: |
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296 | puts("NO ERROR"); |
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297 | break; |
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298 | case ENOENT: |
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299 | puts("not found"); |
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300 | /* SYSLinux-3.72 COM32 API returns this for a |
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301 | directory or empty file */ |
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302 | ROSH_COM32(" (COM32) could be a directory or empty file\n"); |
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303 | break; |
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304 | case EIO: |
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305 | puts("I/O Error"); |
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306 | break; |
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307 | case EBADF: |
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308 | puts("Bad File Descriptor"); |
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309 | break; |
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310 | case EACCES: |
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311 | puts("Access DENIED"); |
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312 | break; |
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313 | case ENOTDIR: |
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314 | puts("not a directory"); |
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315 | ROSH_COM32(" (COM32) could be directory\n"); |
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316 | break; |
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317 | case EISDIR: |
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318 | puts("IS a directory"); |
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319 | break; |
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320 | case ENOSYS: |
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321 | puts("not implemented"); |
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322 | break; |
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323 | default: |
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324 | printf("returns error; errno=%d\n", ierrno); |
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325 | } |
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326 | } /* rosh_error */ |
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327 | |
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328 | /* Concatenate command line arguments into one string |
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329 | * cmdstr Output command string |
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330 | * cmdlen Length of cmdstr |
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331 | * argc Argument Count |
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332 | * argv Argument Values |
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333 | * barg Beginning Argument |
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334 | */ |
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335 | int rosh_argcat(char *cmdstr, const int cmdlen, const int argc, char *argv[], |
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336 | const int barg) |
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337 | { |
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338 | int i, arglen, curpos; /* index, argument length, current position |
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339 | in cmdstr */ |
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340 | curpos = 0; |
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341 | cmdstr[0] = '\0'; /* Nullify string just to be sure */ |
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342 | for (i = barg; i < argc; i++) { |
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343 | arglen = strlen(argv[i]); |
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344 | /* Theoretically, this should never be met in SYSLINUX */ |
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345 | if ((curpos + arglen) > (cmdlen - 1)) |
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346 | arglen = (cmdlen - 1) - curpos; |
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347 | memcpy(cmdstr + curpos, argv[i], arglen); |
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348 | curpos += arglen; |
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349 | if (curpos >= (cmdlen - 1)) { |
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350 | /* Hopefully, curpos should not be greater than |
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351 | (cmdlen - 1) */ |
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352 | /* Still need a '\0' at the last character */ |
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353 | cmdstr[(cmdlen - 1)] = 0; |
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354 | break; /* Escape out of the for() loop; |
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355 | We can no longer process anything more */ |
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356 | } else { |
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357 | cmdstr[curpos] = ' '; |
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358 | curpos += 1; |
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359 | cmdstr[curpos] = 0; |
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360 | } |
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361 | } |
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362 | /* If there's a ' ' at the end, remove it. This is normal unless |
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363 | the maximum length is met/exceeded. */ |
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364 | if (cmdstr[curpos - 1] == ' ') |
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365 | cmdstr[--curpos] = 0; |
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366 | return curpos; |
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367 | } /* rosh_argcat */ |
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368 | |
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369 | /* |
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370 | * Prints a lot of the data in a struct termios |
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371 | */ |
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372 | /* |
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373 | void rosh_print_tc(struct termios *tio) |
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374 | { |
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375 | printf(" -- termios: "); |
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376 | printf(".c_iflag=%04X ", tio->c_iflag); |
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377 | printf(".c_oflag=%04X ", tio->c_oflag); |
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378 | printf(".c_cflag=%04X ", tio->c_cflag); |
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379 | printf(".c_lflag=%04X ", tio->c_lflag); |
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380 | printf(".c_cc[VTIME]='%d' ", tio->c_cc[VTIME]); |
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381 | printf(".c_cc[VMIN]='%d'", tio->c_cc[VMIN]); |
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382 | printf("\n"); |
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383 | } |
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384 | */ |
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385 | |
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386 | /* |
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387 | * Attempts to get a single key from the console |
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388 | * returns key pressed |
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389 | */ |
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390 | int rosh_getkey(void) |
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391 | { |
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392 | int inc; |
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393 | |
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394 | inc = KEY_NONE; |
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395 | while (inc == KEY_NONE) |
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396 | inc = get_key(stdin, 6000); |
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397 | return inc; |
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398 | } /* rosh_getkey */ |
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399 | |
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400 | /* |
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401 | * Qualifies a filename relative to the working directory |
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402 | * filestr Filename to qualify |
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403 | * pwdstr working directory |
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404 | * returns qualified file name string |
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405 | */ |
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406 | void rosh_qualify_filestr(char *filestr, const char *ifilstr, |
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407 | const char *pwdstr) |
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408 | { |
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409 | int filepos = 0; |
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410 | if ((filestr) && (pwdstr) && (ifilstr)) { |
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411 | if (ifilstr[0] != SEP) { |
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412 | strcpy(filestr, pwdstr); |
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413 | filepos = strlen(pwdstr); |
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414 | if (filestr[filepos - 1] != SEP) |
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415 | filestr[filepos++] = SEP; |
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416 | } |
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417 | strcpy(filestr + filepos, ifilstr); |
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418 | ROSH_DEBUG("--'%s'\n", filestr); |
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419 | } |
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420 | } |
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421 | |
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422 | /* Concatenate multiple files to stdout |
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423 | * argc Argument Count |
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424 | * argv Argument Values |
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425 | */ |
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426 | void rosh_cat(int argc, char *argv[]) |
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427 | { |
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428 | FILE *f; |
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429 | char buf[ROSH_BUF_SZ]; |
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430 | int i, numrd; |
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431 | |
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432 | for (i = 0; i < argc; i++) { |
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433 | printf("--File = '%s'\n", argv[i]); |
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434 | errno = 0; |
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435 | f = fopen(argv[i], "r"); |
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436 | if (f != NULL) { |
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437 | numrd = fread(buf, 1, ROSH_BUF_SZ, f); |
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438 | while (numrd > 0) { |
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439 | fwrite(buf, 1, numrd, stdout); |
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440 | numrd = fread(buf, 1, ROSH_BUF_SZ, f); |
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441 | } |
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442 | fclose(f); |
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443 | } else { |
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444 | rosh_error(errno, "cat", argv[i]); |
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445 | errno = 0; |
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446 | } |
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447 | } |
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448 | } /* rosh_cat */ |
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449 | |
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450 | /* Change PWD (Present Working Directory) |
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451 | * argc Argument count |
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452 | * argv Argument values |
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453 | * ipwdstr Initial PWD |
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454 | */ |
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455 | void rosh_cd(int argc, char *argv[], const char *ipwdstr) |
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456 | { |
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457 | int rv = 0; |
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458 | #ifdef DO_DEBUG |
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459 | char filestr[ROSH_PATH_SZ]; |
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460 | #endif /* DO_DEBUG */ |
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461 | ROSH_DEBUG("CMD: \n"); |
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462 | ROSH_DEBUG_ARGV_V(argc, argv); |
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463 | errno = 0; |
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464 | if (argc == 2) |
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465 | rv = chdir(argv[1]); |
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466 | else if (argc == 1) |
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467 | rv = chdir(ipwdstr); |
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468 | else |
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469 | rosh_help(2, argv[0]); |
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470 | if (rv != 0) { |
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471 | if (argc == 2) |
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472 | rosh_error(errno, "cd", argv[1]); |
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473 | else |
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474 | rosh_error(errno, "cd", ipwdstr); |
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475 | errno = 0; |
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476 | } else { |
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477 | #ifdef DO_DEBUG |
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478 | if (getcwd(filestr, ROSH_PATH_SZ)) |
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479 | ROSH_DEBUG(" %s\n", filestr); |
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480 | #endif /* DO_DEBUG */ |
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481 | } |
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482 | } /* rosh_cd */ |
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483 | |
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484 | /* Print the syslinux config file name |
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485 | */ |
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486 | void rosh_cfg(void) |
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487 | { |
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488 | printf("CFG: '%s'\n", syslinux_config_file()); |
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489 | } /* rosh_cfg */ |
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490 | |
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491 | /* Echo a string back to the screen |
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492 | * cmdstr command string to process |
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493 | */ |
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494 | void rosh_echo(const char *cmdstr) |
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495 | { |
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496 | int bpos = 0; |
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497 | ROSH_DEBUG("CMD: '%s'\n", cmdstr); |
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498 | bpos = rosh_search_nonsp(cmdstr, rosh_search_sp(cmdstr, 0)); |
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499 | if (bpos > 1) { |
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500 | ROSH_DEBUG(" bpos=%d\n", bpos); |
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501 | printf("'%s'\n", cmdstr + bpos); |
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502 | } else { |
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503 | puts(""); |
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504 | } |
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505 | } /* rosh_echo */ |
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506 | |
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507 | /* Process argc/argv to optarr |
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508 | * argc Argument count |
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509 | * argv Argument values |
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510 | * optarr option array to populate |
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511 | */ |
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512 | void rosh_ls_arg_opt(int argc, char *argv[], int optarr[]) |
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513 | { |
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514 | int rv = 0; |
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515 | |
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516 | optarr[0] = -1; |
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517 | optarr[1] = -1; |
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518 | optarr[2] = -1; |
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519 | rosh_getopt_reset(); |
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520 | while (rv != -1) { |
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521 | ROSH_DEBUG2("getopt optind=%d rv=%d\n", optind, rv); |
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522 | rv = getopt(argc, argv, rosh_ls_opt_str); |
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523 | switch (rv) { |
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524 | case 'l': |
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525 | case 0: |
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526 | optarr[0] = 1; |
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527 | break; |
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528 | case 'F': |
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529 | case 1: |
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530 | optarr[1] = 1; |
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531 | break; |
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532 | case 'i': |
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533 | case 2: |
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534 | optarr[2] = 1; |
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535 | break; |
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536 | case '?': |
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537 | case -1: |
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538 | default: |
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539 | ROSH_DEBUG2("getopt optind=%d rv=%d\n", optind, rv); |
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540 | break; |
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541 | } |
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542 | } |
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543 | ROSH_DEBUG2(" end getopt optind=%d rv=%d\n", optind, rv); |
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544 | ROSH_DEBUG2("\tIn rosh_ls_arg_opt() opt[0]=%d\topt[1]=%d\topt[2]=%d\n", optarr[0], optarr[1], |
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545 | optarr[2]); |
---|
546 | } /* rosh_ls_arg_opt */ |
---|
547 | |
---|
548 | /* Retrieve the size of a file argument |
---|
549 | * filestr directory name of directory entry |
---|
550 | * de directory entry |
---|
551 | */ |
---|
552 | int rosh_ls_de_size(const char *filestr, struct dirent *de) |
---|
553 | { |
---|
554 | int de_size; |
---|
555 | char filestr2[ROSH_PATH_SZ]; |
---|
556 | int fd2, file2pos; |
---|
557 | struct stat fdstat; |
---|
558 | |
---|
559 | filestr2[0] = 0; |
---|
560 | file2pos = -1; |
---|
561 | if (filestr) { |
---|
562 | file2pos = strlen(filestr); |
---|
563 | memcpy(filestr2, filestr, file2pos); |
---|
564 | filestr2[file2pos] = '/'; |
---|
565 | } |
---|
566 | strcpy(filestr2 + file2pos + 1, de->d_name); |
---|
567 | fd2 = open(filestr2, O_RDONLY); |
---|
568 | fstat(fd2, &fdstat); |
---|
569 | fd2 = close(fd2); |
---|
570 | de_size = (int)fdstat.st_size; |
---|
571 | return de_size; |
---|
572 | } /* rosh_ls_de_size */ |
---|
573 | |
---|
574 | /* Retrieve the size and mode of a file |
---|
575 | * filestr directory name of directory entry |
---|
576 | * de directory entry |
---|
577 | */ |
---|
578 | int rosh_ls_de_size_mode(const char *filestr, struct dirent *de, mode_t * st_mode) |
---|
579 | { |
---|
580 | int de_size; |
---|
581 | char filestr2[ROSH_PATH_SZ]; |
---|
582 | int file2pos; |
---|
583 | struct stat fdstat; |
---|
584 | int status; |
---|
585 | |
---|
586 | filestr2[0] = 0; |
---|
587 | file2pos = -1; |
---|
588 | memset(&fdstat, 0, sizeof fdstat); |
---|
589 | ROSH_DEBUG2("ls:dsm(%s, %s) ", filestr, de->d_name); |
---|
590 | if (filestr) { |
---|
591 | /* FIXME: prevent string overflow */ |
---|
592 | file2pos = strlen(filestr); |
---|
593 | memcpy(filestr2, filestr, file2pos); |
---|
594 | if (( filestr2[file2pos - 1] == SEP )) { |
---|
595 | file2pos--; |
---|
596 | } else { |
---|
597 | filestr2[file2pos] = SEP; |
---|
598 | } |
---|
599 | } |
---|
600 | strcpy(filestr2 + file2pos + 1, de->d_name); |
---|
601 | errno = 0; |
---|
602 | ROSH_DEBUG2("stat(%s) ", filestr2); |
---|
603 | status = stat(filestr2, &fdstat); |
---|
604 | (void)status; |
---|
605 | ROSH_DEBUG2("\t--stat()=%d\terr=%d\n", status, errno); |
---|
606 | if (errno) { |
---|
607 | rosh_error(errno, "ls:szmd.stat", de->d_name); |
---|
608 | errno = 0; |
---|
609 | } |
---|
610 | de_size = (int)fdstat.st_size; |
---|
611 | *st_mode = fdstat.st_mode; |
---|
612 | return de_size; |
---|
613 | } /* rosh_ls_de_size_mode */ |
---|
614 | |
---|
615 | /* Returns the Inode number if fdstat contains it |
---|
616 | * fdstat struct to extract inode from if not COM32, for now |
---|
617 | */ |
---|
618 | long rosh_ls_d_ino(struct stat *fdstat) |
---|
619 | { |
---|
620 | long de_ino; |
---|
621 | #ifdef __COM32__ |
---|
622 | if (fdstat) |
---|
623 | de_ino = -1; |
---|
624 | else |
---|
625 | de_ino = 0; |
---|
626 | #else /* __COM32__ */ |
---|
627 | de_ino = fdstat->st_ino; |
---|
628 | #endif /* __COM32__ */ |
---|
629 | return de_ino; |
---|
630 | } |
---|
631 | |
---|
632 | /* Convert a d_type to a single char in human readable format |
---|
633 | * d_type d_type to convert |
---|
634 | * returns human readable single character; a space if other |
---|
635 | */ |
---|
636 | char rosh_d_type2char_human(unsigned char d_type) |
---|
637 | { |
---|
638 | char ret; |
---|
639 | switch (d_type) { |
---|
640 | case DT_UNKNOWN: |
---|
641 | ret = 'U'; |
---|
642 | break; /* Unknown */ |
---|
643 | case DT_FIFO: |
---|
644 | ret = 'F'; |
---|
645 | break; /* FIFO */ |
---|
646 | case DT_CHR: |
---|
647 | ret = 'C'; |
---|
648 | break; /* Char Dev */ |
---|
649 | case DT_DIR: |
---|
650 | ret = 'D'; |
---|
651 | break; /* Directory */ |
---|
652 | case DT_BLK: |
---|
653 | ret = 'B'; |
---|
654 | break; /* Block Dev */ |
---|
655 | case DT_REG: |
---|
656 | ret = 'R'; |
---|
657 | break; /* Regular File */ |
---|
658 | case DT_LNK: |
---|
659 | ret = 'L'; |
---|
660 | break; /* Link, Symbolic */ |
---|
661 | case DT_SOCK: |
---|
662 | ret = 'S'; |
---|
663 | break; /* Socket */ |
---|
664 | case DT_WHT: |
---|
665 | ret = 'W'; |
---|
666 | break; /* UnionFS Whiteout */ |
---|
667 | default: |
---|
668 | ret = ' '; |
---|
669 | } |
---|
670 | return ret; |
---|
671 | } /* rosh_d_type2char_human */ |
---|
672 | |
---|
673 | /* Convert a d_type to a single char by ls's prefix standards for -l |
---|
674 | * d_type d_type to convert |
---|
675 | * returns ls style single character; a space if other |
---|
676 | */ |
---|
677 | char rosh_d_type2char_lspre(unsigned char d_type) |
---|
678 | { |
---|
679 | char ret; |
---|
680 | switch (d_type) { |
---|
681 | case DT_FIFO: |
---|
682 | ret = 'p'; |
---|
683 | break; |
---|
684 | case DT_CHR: |
---|
685 | ret = 'c'; |
---|
686 | break; |
---|
687 | case DT_DIR: |
---|
688 | ret = 'd'; |
---|
689 | break; |
---|
690 | case DT_BLK: |
---|
691 | ret = 'b'; |
---|
692 | break; |
---|
693 | case DT_REG: |
---|
694 | ret = '-'; |
---|
695 | break; |
---|
696 | case DT_LNK: |
---|
697 | ret = 'l'; |
---|
698 | break; |
---|
699 | case DT_SOCK: |
---|
700 | ret = 's'; |
---|
701 | break; |
---|
702 | default: |
---|
703 | ret = '?'; |
---|
704 | } |
---|
705 | return ret; |
---|
706 | } /* rosh_d_type2char_lspre */ |
---|
707 | |
---|
708 | /* Convert a d_type to a single char by ls's classify (-F) suffix standards |
---|
709 | * d_type d_type to convert |
---|
710 | * returns ls style single character; a space if other |
---|
711 | */ |
---|
712 | char rosh_d_type2char_lssuf(unsigned char d_type) |
---|
713 | { |
---|
714 | char ret; |
---|
715 | switch (d_type) { |
---|
716 | case DT_FIFO: |
---|
717 | ret = '|'; |
---|
718 | break; |
---|
719 | case DT_DIR: |
---|
720 | ret = '/'; |
---|
721 | break; |
---|
722 | case DT_LNK: |
---|
723 | ret = '@'; |
---|
724 | break; |
---|
725 | case DT_SOCK: |
---|
726 | ret = '='; |
---|
727 | break; |
---|
728 | default: |
---|
729 | ret = ' '; |
---|
730 | } |
---|
731 | return ret; |
---|
732 | } /* rosh_d_type2char_lssuf */ |
---|
733 | |
---|
734 | /* Converts data in the "other" place of st_mode to a ls-style string |
---|
735 | * st_mode Mode in other to analyze |
---|
736 | * st_mode_str string to hold converted string |
---|
737 | */ |
---|
738 | void rosh_st_mode_am2str(mode_t st_mode, char *st_mode_str) |
---|
739 | { |
---|
740 | st_mode_str[0] = ((st_mode & S_IROTH) ? 'r' : '-'); |
---|
741 | st_mode_str[1] = ((st_mode & S_IWOTH) ? 'w' : '-'); |
---|
742 | st_mode_str[2] = ((st_mode & S_IXOTH) ? 'x' : '-'); |
---|
743 | } |
---|
744 | |
---|
745 | /* Converts st_mode to an ls-style string |
---|
746 | * st_mode mode to convert |
---|
747 | * st_mode_str string to hold converted string |
---|
748 | */ |
---|
749 | void rosh_st_mode2str(mode_t st_mode, char *st_mode_str) |
---|
750 | { |
---|
751 | st_mode_str[0] = rosh_d_type2char_lspre(IFTODT(st_mode)); |
---|
752 | rosh_st_mode_am2str((st_mode & S_IRWXU) >> 6, st_mode_str + 1); |
---|
753 | rosh_st_mode_am2str((st_mode & S_IRWXG) >> 3, st_mode_str + 4); |
---|
754 | rosh_st_mode_am2str(st_mode & S_IRWXO, st_mode_str + 7); |
---|
755 | st_mode_str[10] = 0; |
---|
756 | } /* rosh_st_mode2str */ |
---|
757 | |
---|
758 | /* Output a single entry |
---|
759 | * filestr directory name to list |
---|
760 | * de directory entry |
---|
761 | * optarr Array of options |
---|
762 | */ |
---|
763 | void rosh_ls_arg_dir_de(const char *filestr, struct dirent *de, const int *optarr) |
---|
764 | { |
---|
765 | int de_size; |
---|
766 | mode_t st_mode; |
---|
767 | char st_mode_str[11]; |
---|
768 | st_mode = 0; |
---|
769 | ROSH_DEBUG2("+"); |
---|
770 | if (optarr[2] > -1) |
---|
771 | printf("%10d ", (int)(de->d_ino)); |
---|
772 | if (optarr[0] > -1) { |
---|
773 | de_size = rosh_ls_de_size_mode(filestr, de, &st_mode); |
---|
774 | rosh_st_mode2str(st_mode, st_mode_str); |
---|
775 | ROSH_DEBUG2("%04X ", st_mode); |
---|
776 | printf("%s %10d ", st_mode_str, de_size); |
---|
777 | } |
---|
778 | ROSH_DEBUG("'"); |
---|
779 | printf("%s", de->d_name); |
---|
780 | ROSH_DEBUG("'"); |
---|
781 | if (optarr[1] > -1) |
---|
782 | printf("%c", rosh_d_type2char_lssuf(de->d_type)); |
---|
783 | printf("\n"); |
---|
784 | } /* rosh_ls_arg_dir_de */ |
---|
785 | |
---|
786 | /* Output listing of a regular directory |
---|
787 | * filestr directory name to list |
---|
788 | * d the open DIR |
---|
789 | * optarr Array of options |
---|
790 | NOTE:This is where I could use qsort |
---|
791 | */ |
---|
792 | void rosh_ls_arg_dir(const char *filestr, DIR * d, const int *optarr) |
---|
793 | { |
---|
794 | struct dirent *de; |
---|
795 | int filepos; |
---|
796 | |
---|
797 | filepos = 0; |
---|
798 | errno = 0; |
---|
799 | while ((de = readdir(d))) { |
---|
800 | filepos++; |
---|
801 | rosh_ls_arg_dir_de(filestr, de, optarr); |
---|
802 | } |
---|
803 | if (errno) { |
---|
804 | rosh_error(errno, "ls:arg_dir", filestr); |
---|
805 | errno = 0; |
---|
806 | } else { if (filepos == 0) |
---|
807 | ROSH_DEBUG("0 files found"); |
---|
808 | } |
---|
809 | } /* rosh_ls_arg_dir */ |
---|
810 | |
---|
811 | /* Simple directory listing for one argument (file/directory) based on |
---|
812 | * filestr and pwdstr |
---|
813 | * ifilstr input filename/directory name to list |
---|
814 | * pwdstr Present Working Directory string |
---|
815 | * optarr Option Array |
---|
816 | */ |
---|
817 | void rosh_ls_arg(const char *filestr, const int *optarr) |
---|
818 | { |
---|
819 | struct stat fdstat; |
---|
820 | int status; |
---|
821 | // char filestr[ROSH_PATH_SZ]; |
---|
822 | // int filepos; |
---|
823 | DIR *d; |
---|
824 | struct dirent de; |
---|
825 | |
---|
826 | /* Initialization; make filestr based on leading character of ifilstr |
---|
827 | and pwdstr */ |
---|
828 | // rosh_qualify_filestr(filestr, ifilstr, pwdstr); |
---|
829 | fdstat.st_mode = 0; |
---|
830 | fdstat.st_size = 0; |
---|
831 | ROSH_DEBUG("\topt[0]=%d\topt[1]=%d\topt[2]=%d\n", optarr[0], optarr[1], |
---|
832 | optarr[2]); |
---|
833 | |
---|
834 | /* Now, the real work */ |
---|
835 | errno = 0; |
---|
836 | status = stat(filestr, &fdstat); |
---|
837 | if (status == 0) { |
---|
838 | if (S_ISDIR(fdstat.st_mode)) { |
---|
839 | ROSH_DEBUG("PATH '%s' is a directory\n", filestr); |
---|
840 | if ((d = opendir(filestr))) { |
---|
841 | rosh_ls_arg_dir(filestr, d, optarr); |
---|
842 | closedir(d); |
---|
843 | } else { |
---|
844 | rosh_error(errno, "ls", filestr); |
---|
845 | errno = 0; |
---|
846 | } |
---|
847 | } else { |
---|
848 | de.d_ino = rosh_ls_d_ino(&fdstat); |
---|
849 | de.d_type = (IFTODT(fdstat.st_mode)); |
---|
850 | strcpy(de.d_name, filestr); |
---|
851 | if (S_ISREG(fdstat.st_mode)) { |
---|
852 | ROSH_DEBUG("PATH '%s' is a regular file\n", filestr); |
---|
853 | } else { |
---|
854 | ROSH_DEBUG("PATH '%s' is some other file\n", filestr); |
---|
855 | } |
---|
856 | rosh_ls_arg_dir_de(NULL, &de, optarr); |
---|
857 | /* if (ifilstr[0] == SEP) |
---|
858 | rosh_ls_arg_dir_de(NULL, &de, optarr); |
---|
859 | else |
---|
860 | rosh_ls_arg_dir_de(pwdstr, &de, optarr);*/ |
---|
861 | } |
---|
862 | } else { |
---|
863 | rosh_error(errno, "ls", filestr); |
---|
864 | errno = 0; |
---|
865 | } |
---|
866 | return; |
---|
867 | } /* rosh_ls_arg */ |
---|
868 | |
---|
869 | /* Parse options that may be present in the cmdstr |
---|
870 | * filestr Possible option string to parse |
---|
871 | * optstr Current options |
---|
872 | * returns 1 if filestr does not begin with '-' else 0 |
---|
873 | */ |
---|
874 | int rosh_ls_parse_opt(const char *filestr, char *optstr) |
---|
875 | { |
---|
876 | int ret; |
---|
877 | if (filestr[0] == '-') { |
---|
878 | ret = 0; |
---|
879 | if (optstr) |
---|
880 | strcat(optstr, filestr + 1); |
---|
881 | } else { |
---|
882 | ret = 1; |
---|
883 | } |
---|
884 | ROSH_DEBUG("ParseOpt: '%s'\n\topt: '%s'\n\tret: %d\n", filestr, optstr, |
---|
885 | ret); |
---|
886 | return ret; |
---|
887 | } /* rosh_ls_parse_opt */ |
---|
888 | |
---|
889 | /* List Directory |
---|
890 | * argc Argument count |
---|
891 | * argv Argument values |
---|
892 | */ |
---|
893 | void rosh_ls(int argc, char *argv[]) |
---|
894 | { |
---|
895 | int optarr[3]; |
---|
896 | int i; |
---|
897 | |
---|
898 | rosh_ls_arg_opt(argc, argv, optarr); |
---|
899 | ROSH_DEBUG2("In ls()\n"); |
---|
900 | ROSH_DEBUG2_ARGV_V(argc, argv); |
---|
901 | #ifdef DO_DEBUG |
---|
902 | optarr[0] = 2; |
---|
903 | #endif /* DO_DEBUG */ |
---|
904 | ROSH_DEBUG2(" argc=%d; optind=%d\n", argc, optind); |
---|
905 | if (optind >= argc) |
---|
906 | rosh_ls_arg(".", optarr); |
---|
907 | for (i = optind; i < argc; i++) { |
---|
908 | rosh_ls_arg(argv[i], optarr); |
---|
909 | } |
---|
910 | } /* rosh_ls */ |
---|
911 | |
---|
912 | /* Simple directory listing; calls rosh_ls() |
---|
913 | * argc Argument count |
---|
914 | * argv Argument values |
---|
915 | */ |
---|
916 | void rosh_dir(int argc, char *argv[]) |
---|
917 | { |
---|
918 | ROSH_DEBUG(" dir implemented as ls\n"); |
---|
919 | rosh_ls(argc, argv); |
---|
920 | } /* rosh_dir */ |
---|
921 | |
---|
922 | /* Page through a buffer string |
---|
923 | * buf Buffer to page through |
---|
924 | */ |
---|
925 | void rosh_more_buf(char *buf, int buflen, int rows, int cols, char *scrbuf) |
---|
926 | { |
---|
927 | char *bufp, *bufeol, *bufeol2; /* Pointer to current and next |
---|
928 | end-of-line position in buffer */ |
---|
929 | int bufpos, bufcnt; /* current position, count characters */ |
---|
930 | int inc; |
---|
931 | int i, numln; /* Index, Number of lines */ |
---|
932 | int elpl; /* Extra lines per line read */ |
---|
933 | |
---|
934 | (void)cols; |
---|
935 | |
---|
936 | bufpos = 0; |
---|
937 | bufp = buf + bufpos; |
---|
938 | bufeol = bufp; |
---|
939 | numln = rows - 1; |
---|
940 | ROSH_DEBUG("--(%d)\n", buflen); |
---|
941 | while (bufpos < buflen) { |
---|
942 | for (i = 0; i < numln; i++) { |
---|
943 | bufeol2 = strchr(bufeol, '\n'); |
---|
944 | if (bufeol2 == NULL) { |
---|
945 | bufeol = buf + buflen; |
---|
946 | i = numln; |
---|
947 | } else { |
---|
948 | elpl = ((bufeol2 - bufeol - 1) / cols); |
---|
949 | if (elpl < 0) |
---|
950 | elpl = 0; |
---|
951 | i += elpl; |
---|
952 | ROSH_DEBUG2(" %d/%d ", elpl, i+1); |
---|
953 | /* If this will not push too much, use it */ |
---|
954 | /* but if it's the first line, use it */ |
---|
955 | /* //HERE: We should probably snip the line off */ |
---|
956 | if ((i < numln) || (i == elpl)) |
---|
957 | bufeol = bufeol2 + 1; |
---|
958 | } |
---|
959 | } |
---|
960 | ROSH_DEBUG2("\n"); |
---|
961 | bufcnt = bufeol - bufp; |
---|
962 | printf("--(%d/%d @%d)\n", bufcnt, buflen, bufpos); |
---|
963 | memcpy(scrbuf, bufp, bufcnt); |
---|
964 | scrbuf[bufcnt] = 0; |
---|
965 | printf("%s", scrbuf); |
---|
966 | bufp = bufeol; |
---|
967 | bufpos += bufcnt; |
---|
968 | if (bufpos == buflen) |
---|
969 | break; |
---|
970 | inc = rosh_getkey(); |
---|
971 | numln = 1; |
---|
972 | switch (inc) { |
---|
973 | case KEY_CTRL('c'): |
---|
974 | case 'q': |
---|
975 | case 'Q': |
---|
976 | bufpos = buflen; |
---|
977 | break; |
---|
978 | case ' ': |
---|
979 | numln = rows - 1; |
---|
980 | } |
---|
981 | } |
---|
982 | } /* rosh_more_buf */ |
---|
983 | |
---|
984 | /* Page through a single file using the open file stream |
---|
985 | * fd File Descriptor |
---|
986 | */ |
---|
987 | void rosh_more_fd(int fd, int rows, int cols, char *scrbuf) |
---|
988 | { |
---|
989 | struct stat fdstat; |
---|
990 | char *buf; |
---|
991 | int bufpos; |
---|
992 | int numrd; |
---|
993 | FILE *f; |
---|
994 | |
---|
995 | fstat(fd, &fdstat); |
---|
996 | if (S_ISREG(fdstat.st_mode)) { |
---|
997 | buf = malloc((int)fdstat.st_size); |
---|
998 | if (buf != NULL) { |
---|
999 | f = fdopen(fd, "r"); |
---|
1000 | bufpos = 0; |
---|
1001 | numrd = fread(buf, 1, (int)fdstat.st_size, f); |
---|
1002 | while (numrd > 0) { |
---|
1003 | bufpos += numrd; |
---|
1004 | numrd = fread(buf + bufpos, 1, |
---|
1005 | ((int)fdstat.st_size - bufpos), f); |
---|
1006 | } |
---|
1007 | fclose(f); |
---|
1008 | rosh_more_buf(buf, bufpos, rows, cols, scrbuf); |
---|
1009 | } |
---|
1010 | } else { |
---|
1011 | } |
---|
1012 | |
---|
1013 | } /* rosh_more_fd */ |
---|
1014 | |
---|
1015 | /* Page through a file like the more command |
---|
1016 | * argc Argument Count |
---|
1017 | * argv Argument Values |
---|
1018 | */ |
---|
1019 | void rosh_more(int argc, char *argv[]) |
---|
1020 | { |
---|
1021 | int fd, i; |
---|
1022 | /* char filestr[ROSH_PATH_SZ]; |
---|
1023 | int cmdpos;*/ |
---|
1024 | int rows, cols; |
---|
1025 | char *scrbuf; |
---|
1026 | int ret; |
---|
1027 | |
---|
1028 | ROSH_DEBUG_ARGV_V(argc, argv); |
---|
1029 | ret = getscreensize(1, &rows, &cols); |
---|
1030 | if (ret) { |
---|
1031 | ROSH_DEBUG("getscreensize() fail(%d); fall back\n", ret); |
---|
1032 | ROSH_DEBUG("\tROWS='%d'\tCOLS='%d'\n", rows, cols); |
---|
1033 | /* If either fail, go under normal size, just in case */ |
---|
1034 | if (!rows) |
---|
1035 | rows = 20; |
---|
1036 | if (!cols) |
---|
1037 | cols = 75; |
---|
1038 | } |
---|
1039 | ROSH_DEBUG("\tUSE ROWS='%d'\tCOLS='%d'\n", rows, cols); |
---|
1040 | /* 32 bit align beginning of row and over allocate */ |
---|
1041 | scrbuf = malloc(rows * ((cols+3)&(INT_MAX - 3))); |
---|
1042 | if (!scrbuf) |
---|
1043 | return; |
---|
1044 | |
---|
1045 | if (argc) { |
---|
1046 | /* There is no need to mess up the console if we don't have a |
---|
1047 | file */ |
---|
1048 | rosh_console_raw(); |
---|
1049 | for (i = 0; i < argc; i++) { |
---|
1050 | printf("--File = '%s'\n", argv[i]); |
---|
1051 | errno = 0; |
---|
1052 | fd = open(argv[i], O_RDONLY); |
---|
1053 | if (fd != -1) { |
---|
1054 | rosh_more_fd(fd, rows, cols, scrbuf); |
---|
1055 | close(fd); |
---|
1056 | } else { |
---|
1057 | rosh_error(errno, "more", argv[i]); |
---|
1058 | errno = 0; |
---|
1059 | } |
---|
1060 | } |
---|
1061 | rosh_console_std(); |
---|
1062 | } |
---|
1063 | free(scrbuf); |
---|
1064 | } /* rosh_more */ |
---|
1065 | |
---|
1066 | /* Page a file with rewind |
---|
1067 | * argc Argument Count |
---|
1068 | * argv Argument Values |
---|
1069 | */ |
---|
1070 | void rosh_less(int argc, char *argv[]) |
---|
1071 | { |
---|
1072 | printf(" less implemented as more (for now)\n"); |
---|
1073 | rosh_more(argc, argv); |
---|
1074 | } /* rosh_less */ |
---|
1075 | |
---|
1076 | /* Show PWD |
---|
1077 | */ |
---|
1078 | void rosh_pwd(void) |
---|
1079 | { |
---|
1080 | char pwdstr[ROSH_PATH_SZ]; |
---|
1081 | errno = 0; |
---|
1082 | if (getcwd(pwdstr, ROSH_PATH_SZ)) { |
---|
1083 | printf("%s\n", pwdstr); |
---|
1084 | } else { |
---|
1085 | rosh_error(errno, "pwd", ""); |
---|
1086 | errno = 0; |
---|
1087 | } |
---|
1088 | } /* rosh_pwd */ |
---|
1089 | |
---|
1090 | /* Reboot; use warm reboot if one of certain options set |
---|
1091 | * argc Argument count |
---|
1092 | * argv Argument values |
---|
1093 | */ |
---|
1094 | void rosh_reboot(int argc, char *argv[]) |
---|
1095 | { |
---|
1096 | int rtype = 0; |
---|
1097 | if (argc) { |
---|
1098 | /* For now, just use the first */ |
---|
1099 | switch (argv[0][0]) { |
---|
1100 | case '1': |
---|
1101 | case 's': |
---|
1102 | case 'w': |
---|
1103 | rtype = 1; |
---|
1104 | break; |
---|
1105 | case '-': |
---|
1106 | switch (argv[0][1]) { |
---|
1107 | case '1': |
---|
1108 | case 's': |
---|
1109 | case 'w': |
---|
1110 | rtype = 1; |
---|
1111 | break; |
---|
1112 | } |
---|
1113 | break; |
---|
1114 | } |
---|
1115 | } |
---|
1116 | syslinux_reboot(rtype); |
---|
1117 | } /* rosh_reboot */ |
---|
1118 | |
---|
1119 | /* Run a boot string, calling syslinux_run_command |
---|
1120 | * argc Argument count |
---|
1121 | * argv Argument values |
---|
1122 | */ |
---|
1123 | void rosh_run(int argc, char *argv[]) |
---|
1124 | { |
---|
1125 | char cmdstr[ROSH_CMD_SZ]; |
---|
1126 | int len; |
---|
1127 | |
---|
1128 | len = rosh_argcat(cmdstr, ROSH_CMD_SZ, argc, argv, 0); |
---|
1129 | if (len) { |
---|
1130 | printf("--run: '%s'\n", cmdstr); |
---|
1131 | syslinux_run_command(cmdstr); |
---|
1132 | } else { |
---|
1133 | printf(APP_NAME ":run: No arguments\n"); |
---|
1134 | } |
---|
1135 | } /* rosh_run */ |
---|
1136 | |
---|
1137 | /* Process an argc/argv pair and call handling function |
---|
1138 | * argc Argument count |
---|
1139 | * argv Argument values |
---|
1140 | * ipwdstr Initial Present Working Directory string |
---|
1141 | * returns Whether to exit prompt |
---|
1142 | */ |
---|
1143 | char rosh_command(int argc, char *argv[], const char *ipwdstr) |
---|
1144 | { |
---|
1145 | char do_exit = false; |
---|
1146 | int tlen; |
---|
1147 | tlen = strlen(argv[0]); |
---|
1148 | ROSH_DEBUG_ARGV_V(argc, argv); |
---|
1149 | switch (argv[0][0]) { |
---|
1150 | case 'e': |
---|
1151 | case 'E': |
---|
1152 | case 'q': |
---|
1153 | case 'Q': |
---|
1154 | switch (argv[0][1]) { |
---|
1155 | case 0: |
---|
1156 | case 'x': |
---|
1157 | case 'X': |
---|
1158 | case 'u': |
---|
1159 | case 'U': |
---|
1160 | if ((strncasecmp("exit", argv[0], tlen) == 0) || |
---|
1161 | (strncasecmp("quit", argv[0], tlen) == 0)) |
---|
1162 | do_exit = true; |
---|
1163 | else |
---|
1164 | rosh_help(1, argv[0]); |
---|
1165 | break; |
---|
1166 | case 'c': |
---|
1167 | case 'C': |
---|
1168 | if (strncasecmp("echo", argv[0], tlen) == 0) |
---|
1169 | rosh_pr_argv(argc - 1, &argv[1]); |
---|
1170 | else |
---|
1171 | rosh_help(1, argv[0]); |
---|
1172 | break; |
---|
1173 | default: |
---|
1174 | rosh_help(1, argv[0]); |
---|
1175 | } |
---|
1176 | break; |
---|
1177 | case 'c': |
---|
1178 | case 'C': /* run 'cd' 'cat' 'cfg' */ |
---|
1179 | switch (argv[0][1]) { |
---|
1180 | case 'a': |
---|
1181 | case 'A': |
---|
1182 | if (strncasecmp("cat", argv[0], tlen) == 0) |
---|
1183 | rosh_cat(argc - 1, &argv[1]); |
---|
1184 | else |
---|
1185 | rosh_help(1, argv[0]); |
---|
1186 | break; |
---|
1187 | case 'd': |
---|
1188 | case 'D': |
---|
1189 | if (strncasecmp("cd", argv[0], tlen) == 0) |
---|
1190 | rosh_cd(argc, argv, ipwdstr); |
---|
1191 | else |
---|
1192 | rosh_help(1, argv[0]); |
---|
1193 | break; |
---|
1194 | case 'f': |
---|
1195 | case 'F': |
---|
1196 | if (strncasecmp("cfg", argv[0], tlen) == 0) |
---|
1197 | rosh_cfg(); |
---|
1198 | else |
---|
1199 | rosh_help(1, argv[0]); |
---|
1200 | break; |
---|
1201 | default: |
---|
1202 | rosh_help(1, argv[0]); |
---|
1203 | } |
---|
1204 | break; |
---|
1205 | case 'd': |
---|
1206 | case 'D': /* run 'dir' */ |
---|
1207 | if (strncasecmp("dir", argv[0], tlen) == 0) |
---|
1208 | rosh_dir(argc - 1, &argv[1]); |
---|
1209 | else |
---|
1210 | rosh_help(1, argv[0]); |
---|
1211 | break; |
---|
1212 | case 'h': |
---|
1213 | case 'H': |
---|
1214 | case '?': |
---|
1215 | if ((strncasecmp("help", argv[0], tlen) == 0) || (tlen == 1)) |
---|
1216 | rosh_help(2, argv[1]); |
---|
1217 | else |
---|
1218 | rosh_help(1, NULL); |
---|
1219 | break; |
---|
1220 | case 'l': |
---|
1221 | case 'L': /* run 'ls' 'less' */ |
---|
1222 | switch (argv[0][1]) { |
---|
1223 | case 0: |
---|
1224 | case 's': |
---|
1225 | case 'S': |
---|
1226 | if (strncasecmp("ls", argv[0], tlen) == 0) |
---|
1227 | rosh_ls(argc, argv); |
---|
1228 | else |
---|
1229 | rosh_help(1, argv[0]); |
---|
1230 | break; |
---|
1231 | case 'e': |
---|
1232 | case 'E': |
---|
1233 | if (strncasecmp("less", argv[0], tlen) == 0) |
---|
1234 | rosh_less(argc - 1, &argv[1]); |
---|
1235 | else |
---|
1236 | rosh_help(1, argv[0]); |
---|
1237 | break; |
---|
1238 | default: |
---|
1239 | rosh_help(1, argv[0]); |
---|
1240 | } |
---|
1241 | break; |
---|
1242 | case 'm': |
---|
1243 | case 'M': |
---|
1244 | switch (argv[0][1]) { |
---|
1245 | case 'a': |
---|
1246 | case 'A': |
---|
1247 | if (strncasecmp("man", argv[0], tlen) == 0) |
---|
1248 | rosh_help(2, argv[1]); |
---|
1249 | else |
---|
1250 | rosh_help(1, argv[0]); |
---|
1251 | break; |
---|
1252 | case 'o': |
---|
1253 | case 'O': |
---|
1254 | if (strncasecmp("more", argv[0], tlen) == 0) |
---|
1255 | rosh_more(argc - 1, &argv[1]); |
---|
1256 | else |
---|
1257 | rosh_help(1, argv[0]); |
---|
1258 | break; |
---|
1259 | default: |
---|
1260 | rosh_help(1, argv[0]); |
---|
1261 | } |
---|
1262 | break; |
---|
1263 | case 'p': |
---|
1264 | case 'P': /* run 'pwd' */ |
---|
1265 | if (strncasecmp("pwd", argv[0], tlen) == 0) |
---|
1266 | rosh_pwd(); |
---|
1267 | else |
---|
1268 | rosh_help(1, argv[0]); |
---|
1269 | break; |
---|
1270 | case 'r': |
---|
1271 | case 'R': /* run 'run' */ |
---|
1272 | switch (argv[0][1]) { |
---|
1273 | case 0: |
---|
1274 | case 'e': |
---|
1275 | case 'E': |
---|
1276 | if (strncasecmp("reboot", argv[0], tlen) == 0) |
---|
1277 | rosh_reboot(argc - 1, &argv[1]); |
---|
1278 | else |
---|
1279 | rosh_help(1, argv[0]); |
---|
1280 | break; |
---|
1281 | case 'u': |
---|
1282 | case 'U': |
---|
1283 | if (strncasecmp("run", argv[0], tlen) == 0) |
---|
1284 | rosh_run(argc - 1, &argv[1]); |
---|
1285 | else |
---|
1286 | rosh_help(1, argv[0]); |
---|
1287 | break; |
---|
1288 | default: |
---|
1289 | rosh_help(1, argv[0]); |
---|
1290 | } |
---|
1291 | break; |
---|
1292 | case 'v': |
---|
1293 | case 'V': |
---|
1294 | if (strncasecmp("version", argv[0], tlen) == 0) |
---|
1295 | rosh_version(1); |
---|
1296 | else |
---|
1297 | rosh_help(1, argv[0]); |
---|
1298 | break; |
---|
1299 | case 0: |
---|
1300 | case '\n': |
---|
1301 | break; |
---|
1302 | default: |
---|
1303 | rosh_help(1, argv[0]); |
---|
1304 | } /* switch(argv[0][0]) */ |
---|
1305 | return do_exit; |
---|
1306 | } /* rosh_command */ |
---|
1307 | |
---|
1308 | /* Process the prompt for commands as read from stdin and call rosh_command |
---|
1309 | * to process command line string |
---|
1310 | * icmdstr Initial command line string |
---|
1311 | * returns Exit status |
---|
1312 | */ |
---|
1313 | int rosh_prompt(int iargc, char *iargv[]) |
---|
1314 | { |
---|
1315 | int rv; |
---|
1316 | char cmdstr[ROSH_CMD_SZ]; |
---|
1317 | char ipwdstr[ROSH_PATH_SZ]; |
---|
1318 | char do_exit; |
---|
1319 | char **argv; |
---|
1320 | int argc; |
---|
1321 | |
---|
1322 | rv = 0; |
---|
1323 | do_exit = false; |
---|
1324 | if (!getcwd(ipwdstr, ROSH_PATH_SZ)) |
---|
1325 | strcpy(ipwdstr, "./"); |
---|
1326 | if (iargc > 1) |
---|
1327 | do_exit = rosh_command(iargc - 1, &iargv[1], ipwdstr); |
---|
1328 | while (!(do_exit)) { |
---|
1329 | /* Extra preceeding newline */ |
---|
1330 | printf("\nrosh: "); |
---|
1331 | /* Read a line from console */ |
---|
1332 | if (fgets(cmdstr, ROSH_CMD_SZ, stdin)) { |
---|
1333 | argc = rosh_str2argv(&argv, cmdstr); |
---|
1334 | do_exit = rosh_command(argc, argv, ipwdstr); |
---|
1335 | rosh_free_argv(&argv); |
---|
1336 | } else { |
---|
1337 | do_exit = false; |
---|
1338 | } |
---|
1339 | } |
---|
1340 | return rv; |
---|
1341 | } |
---|
1342 | |
---|
1343 | int main(int argc, char *argv[]) |
---|
1344 | { |
---|
1345 | int rv; |
---|
1346 | |
---|
1347 | /* Initialization */ |
---|
1348 | rv = 0; |
---|
1349 | rosh_console_std(); |
---|
1350 | if (argc == 1) { |
---|
1351 | rosh_version(0); |
---|
1352 | print_beta(); |
---|
1353 | } else { |
---|
1354 | #ifdef DO_DEBUG |
---|
1355 | char cmdstr[ROSH_CMD_SZ]; |
---|
1356 | rosh_argcat(cmdstr, ROSH_CMD_SZ, argc, argv, 1); |
---|
1357 | ROSH_DEBUG("arg='%s'\n", cmdstr); |
---|
1358 | #endif |
---|
1359 | } |
---|
1360 | rv = rosh_prompt(argc, argv); |
---|
1361 | printf("--Exiting '" APP_NAME "'\n"); |
---|
1362 | return rv; |
---|
1363 | } |
---|